- Hour abbreviation h or h. [closed] - English Language Usage Stack . . .
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- time - English Language Usage Stack Exchange
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- English notation for hour, minutes and seconds
From the time 01:00:00 to the time 02:34:56 is a duration of 1 hour, 34 minutes and 56 seconds (1h 34′ 56″) Prime markers start single and are multiplied for susbsequent appearances, so minutes use a single prime ′ and seconds use a double-prime ″ They are pronounced minutes and seconds respectively in the case of durations like this
- an hour and a half or one and a half hours
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- How to write lengths of time in a short way with numbers
You have to be VERY careful when using time For example, 1:54 could mean 01:54 AM - A time; 13:54 PM - A time; 1 hour 54 mins
- Does within an hour mean before, after, or both?
Within is a single word In the sense of your example, it means something like during, or before the end of: do not drink or eat during the hour before or the hour after you take these pills
- abbreviation of units of measure: hours vs. minutes
The abbreviation for ‘hours’ is hrs The one for "Minute" is 'min' It is a unit of measure, which have standard abbreviations, and they do not change in plural nor have a final period
- I sent . . . vs. I have sent . . . vs. I had sent you an email already
They are all grammatically correct, but have slightly different connotations (in my opinion) The first two mean almost exactly the same thing; the only difference I infer between them is that the second is more likely to be in response to a person saying something like "why haven't you sent me an email yet?", with an emphasis on the word 'have' in the response
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